package com.itheima.reggin.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggin.common.R;
import com.itheima.reggin.entity.Category;
import com.itheima.reggin.service.CategoryService;
import lombok.extern.slf4j.Slf4j;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

    /**
     * 新增分类
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category){
        log.info("添加菜品");
        categoryService.save(category);
        return R.success("菜品添加成功");
    }

    //分页查询
    @GetMapping("/page")
    public R<Page> pageR(int page, int pageSize){
        //分页构造器
        Page<Category> pageInfo = new Page(page,pageSize);

        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加排序，根据sort排序
        queryWrapper.orderByAsc(Category::getSort);
        //分页查询
        categoryService.page(pageInfo,queryWrapper);
        return R.success(pageInfo);
    }

    /**
     * 删除分类信息
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String> deleteById(Long id){
        log.info("删除分类信息");
        //改造删除方法
        categoryService.remove(id);
        return R.success("分类信息删除成功");
    }

    /**
     * 修改分类信息
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody Category category){
        log.info("修改分类信息"+category);
        categoryService.updateById(category);
        return R.success("分类信息修改成功");
    }

    @GetMapping("/list")
    public R<List<Category>> listR(Category category){
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //根据type查询
        queryWrapper.eq(category.getType()!=null,Category::getType,category.getType());
        //添加排序
        queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(queryWrapper);

        return R.success(list);
    }
}
